Communication board



FIG. 1 is a perspective environmental view of a communication board showing my new design;

FIG. 2 is a perspective exploded view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective environmental view of another embodiment of a communication board showing my new design;

FIG. 9 is a perspective exploded view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right elevational view thereof;

FIG. 12 is a left elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines in FIGS. 1-14 are included for the purposes of showing features and portions of the communication board that form no part of the claimed design. The broken away symbols in the drawings are used to indicate that any portion of the communication board between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a communication board, as shown and described. 